Copolymer Polybutene PB-0300 MFI Pellets
Copolymer polybutene pellets with a melt flow index of 0.3 g/10min, used in film blowing applications. The butene monomer units predominate by weight, classifying it as a polymer of other olefins in primary forms under tariff item 3902.90.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the copolymer contains propylene units that predominate by weight over butene units.
Propylene copolymers are classified under heading 3902.30.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is in primary form (pellets) and that butene monomer units predominate by weight
• Declare the correct MFI value on the commercial invoice
• Verify if any anti-dumping or countervailing duties apply to polybutene imports
Related Products under Tariff item 3902.90.00
Duraflex PB8400 Polybutene
Polybutene resin with medium melt flow index, designed for blow molding pipes. This primary form olefin polymer has butene as the predominant monomer, placing it under tariff item 3902.90.00 for other olefin polymers.
High-Density Polybutene Pellets
High-density polybutene resin pellets used for piping and hot-melt adhesives. The butene-derived polymer is in primary granular form with over 95% monomer content, qualifying as an other olefin polymer under tariff item 3902.90.00.
Hybrar 7310SE Polyolefin Block Copolymer
Styrenic block copolymer with an olefin midblock, used for asphalt modification. The olefin monomer units predominate by weight, classifying it as an other olefin polymer in primary form under tariff item 3902.90.00.
Indopol H-1500 Polybutene
High-viscosity liquid polybutene used in industrial lubricants. This primary liquid olefin polymer has butene units predominating, placing it under tariff item 3902.90.00 for other olefin polymers.
Isotactic Polybutene Powder
Isotactic polybutene powder, a stereoregular olefin homopolymer in primary powder form. The butene monomer purity exceeds chapter note requirements, classifying it under tariff item 3902.90.00 as an other olefin polymer.
Liquid Polybutene L-14E
Liquid polybutene with a viscosity of 140 cSt, used in lubricants and caulks. The isobutylene monomer content exceeds 95% by weight, and the product is in primary liquid form, classifying it under tariff item 3902.90.00.